homebrew-core/Formula/python@3.9.rb

358 lines
15 KiB
Ruby

class PythonAT39 < Formula
desc "Interpreted, interactive, object-oriented programming language"
homepage "https://www.python.org/"
url "https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tar.xz"
sha256 "9c73e63c99855709b9be0b3cc9e5b072cb60f37311e8c4e50f15576a0bf82854"
license "Python-2.0"
revision 4
livecheck do
url "https://www.python.org/ftp/python/"
regex(%r{href=.*?v?(3\.9(?:\.\d+)*)/?["' >]}i)
end
bottle do
rebuild 1
sha256 "3f2f71818ed66492dcd574d9cdc0f048feae1201b6c1b5d30e3bdb2ed74d04c6" => :big_sur
sha256 "933ca658fbb4f1a5f63c28c4857e0071e4c759a9dd449f35a7cc3e8e04cf92dd" => :catalina
sha256 "bd8b7b4f75180082a186bf0a1438ee629b1cc82cf8d58ca919240a590aa97adc" => :mojave
end
# setuptools remembers the build flags python is built with and uses them to
# build packages later. Xcode-only systems need different flags.
pour_bottle? do
reason <<~EOS
The bottle needs the Apple Command Line Tools to be installed.
You can install them, if desired, with:
xcode-select --install
EOS
satisfy { MacOS::CLT.installed? }
end
depends_on "pkg-config" => :build
depends_on "gdbm"
depends_on "openssl@1.1"
depends_on "readline"
depends_on "sqlite"
depends_on "xz"
uses_from_macos "bzip2"
uses_from_macos "libffi"
uses_from_macos "ncurses"
uses_from_macos "unzip"
uses_from_macos "zlib"
skip_clean "bin/pip3", "bin/pip-3.4", "bin/pip-3.5", "bin/pip-3.6", "bin/pip-3.7", "bin/pip-3.8"
skip_clean "bin/easy_install3", "bin/easy_install-3.4", "bin/easy_install-3.5", "bin/easy_install-3.6",
"bin/easy_install-3.7", "bin/easy_install-3.8"
link_overwrite "bin/2to3"
link_overwrite "bin/idle3"
link_overwrite "bin/pip3"
link_overwrite "bin/pydoc3"
link_overwrite "bin/python3"
link_overwrite "bin/python3-config"
link_overwrite "bin/wheel3"
link_overwrite "share/man/man1/python3.1"
link_overwrite "lib/pkgconfig/python3.pc"
link_overwrite "lib/pkgconfig/python3-embed.pc"
link_overwrite "Frameworks/Python.framework/Headers"
link_overwrite "Frameworks/Python.framework/Python"
link_overwrite "Frameworks/Python.framework/Resources"
link_overwrite "Frameworks/Python.framework/Versions/Current"
resource "setuptools" do
url "https://files.pythonhosted.org/packages/a7/e0/30642b9c2df516506d40b563b0cbd080c49c6b3f11a70b4c7a670f13a78b/setuptools-50.3.2.zip"
sha256 "ed0519d27a243843b05d82a5e9d01b0b083d9934eaa3d02779a23da18077bd3c"
end
resource "pip" do
url "https://files.pythonhosted.org/packages/cb/5f/ae1eb8bda1cde4952bd12e468ab8a254c345a0189402bf1421457577f4f3/pip-20.3.1.tar.gz"
sha256 "43f7d3811f05db95809d39515a5111dd05994965d870178a4fe10d5482f9d2e2"
end
resource "wheel" do
url "https://files.pythonhosted.org/packages/57/73/1911bfa69482de2a6327db4ca5eda87ae7599160018910007d6d6a1d3ada/wheel-0.36.0.tar.gz"
sha256 "e17f05e14282d0e666327f800ef43123b40f3dbc13a86193b604f2ebfae0dabc"
end
# Remove this block when upstream adds arm64 and Big Sur compatibility
if MacOS.version >= :big_sur
# Upstream PRs #20171, #21114, #21224 and #21249
# Backport of https://github.com/python/cpython/pull/22855
patch do
url "https://raw.githubusercontent.com/Homebrew/formula-patches/33a9d63f/python/arm64-3.9.patch"
sha256 "167e328cf68e9ec142f483fda9fafbb903be9a47dee2826614fdc24b2fbe6e06"
end
# Further patch for Big Sur, remove in 3.9.2
# https://github.com/python/cpython/pull/23556
patch do
url "https://github.com/fxcoudert/cpython/commit/6511bf56.patch?full_index=1"
sha256 "3a34fea8a133305bc337d67acfacc36dc8f9d47a808dd592f5b0cd8c9c9384d2"
end
end
def install
# Unset these so that installing pip and setuptools puts them where we want
# and not into some other Python the user has installed.
ENV["PYTHONHOME"] = nil
ENV["PYTHONPATH"] = nil
xy = (buildpath/"configure.ac").read.slice(/PYTHON_VERSION, (3\.\d)/, 1)
lib_cellar = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}"
args = %W[
--prefix=#{prefix}
--enable-ipv6
--datarootdir=#{share}
--datadir=#{share}
--enable-framework=#{frameworks}
--enable-loadable-sqlite-extensions
--without-ensurepip
--with-dtrace
--with-openssl=#{Formula["openssl@1.1"].opt_prefix}
]
cflags = []
ldflags = []
cppflags = []
if MacOS.sdk_path_if_needed
# Help Python's build system (setuptools/pip) to build things on SDK-based systems
# The setup.py looks at "-isysroot" to get the sysroot (and not at --sysroot)
cflags << "-isysroot #{MacOS.sdk_path}" << "-I#{MacOS.sdk_path}/usr/include"
ldflags << "-isysroot #{MacOS.sdk_path}"
# For the Xlib.h, Python needs this header dir with the system Tk
# Yep, this needs the absolute path where zlib needed a path relative
# to the SDK.
cflags << "-I#{MacOS.sdk_path}/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers"
end
# Avoid linking to libgcc https://mail.python.org/pipermail/python-dev/2012-February/116205.html
args << "MACOSX_DEPLOYMENT_TARGET=#{MacOS.version}"
# We want our readline! This is just to outsmart the detection code,
# superenv makes cc always find includes/libs!
inreplace "setup.py",
"do_readline = self.compiler.find_library_file(self.lib_dirs, 'readline')",
"do_readline = '#{Formula["readline"].opt_lib}/libhistory.dylib'"
inreplace "setup.py" do |s|
s.gsub! "sqlite_setup_debug = False", "sqlite_setup_debug = True"
s.gsub! "for d_ in self.inc_dirs + sqlite_inc_paths:",
"for d_ in ['#{Formula["sqlite"].opt_include}']:"
end
# Allow python modules to use ctypes.find_library to find homebrew's stuff
# even if homebrew is not a /usr/local/lib. Try this with:
# `brew install enchant && pip install pyenchant`
inreplace "./Lib/ctypes/macholib/dyld.py" do |f|
f.gsub! "DEFAULT_LIBRARY_FALLBACK = [", "DEFAULT_LIBRARY_FALLBACK = [ '#{HOMEBREW_PREFIX}/lib',"
f.gsub! "DEFAULT_FRAMEWORK_FALLBACK = [", "DEFAULT_FRAMEWORK_FALLBACK = [ '#{HOMEBREW_PREFIX}/Frameworks',"
end
args << "CFLAGS=#{cflags.join(" ")}" unless cflags.empty?
args << "LDFLAGS=#{ldflags.join(" ")}" unless ldflags.empty?
args << "CPPFLAGS=#{cppflags.join(" ")}" unless cppflags.empty?
system "./configure", *args
system "make"
ENV.deparallelize do
# Tell Python not to install into /Applications (default for framework builds)
system "make", "install", "PYTHONAPPSDIR=#{prefix}"
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{pkgshare}"
end
# Any .app get a " 3" attached, so it does not conflict with python 2.x.
Dir.glob("#{prefix}/*.app") { |app| mv app, app.sub(/\.app$/, " 3.app") }
# Prevent third-party packages from building against fragile Cellar paths
inreplace Dir[lib_cellar/"**/_sysconfigdata__darwin_darwin.py",
lib_cellar/"config*/Makefile",
frameworks/"Python.framework/Versions/3*/lib/pkgconfig/python-3.?.pc"],
prefix, opt_prefix
# Help third-party packages find the Python framework
inreplace Dir[lib_cellar/"config*/Makefile"],
/^LINKFORSHARED=(.*)PYTHONFRAMEWORKDIR(.*)/,
"LINKFORSHARED=\\1PYTHONFRAMEWORKINSTALLDIR\\2"
# Fix for https://github.com/Homebrew/homebrew-core/issues/21212
inreplace Dir[lib_cellar/"**/_sysconfigdata__darwin_darwin.py"],
%r{('LINKFORSHARED': .*?)'(Python.framework/Versions/3.\d+/Python)'}m,
"\\1'#{opt_prefix}/Frameworks/\\2'"
# Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
(lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/#{xy}/lib/pkgconfig/*"]
# Remove the site-packages that Python created in its Cellar.
(prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/site-packages").rmtree
%w[setuptools pip wheel].each do |r|
(libexec/r).install resource(r)
end
# Remove wheel test data.
# It's for people editing wheel and contains binaries which fail `brew linkage`.
rm libexec/"wheel/tox.ini"
rm_r libexec/"wheel/tests"
# Install unversioned symlinks in libexec/bin.
{
"idle" => "idle3",
"pydoc" => "pydoc3",
"python" => "python3",
"python-config" => "python3-config",
}.each do |unversioned_name, versioned_name|
(libexec/"bin").install_symlink (bin/versioned_name).realpath => unversioned_name
end
end
def post_install
ENV.delete "PYTHONPATH"
xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
site_packages = HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"
site_packages_cellar = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/site-packages"
# Fix up the site-packages so that user-installed Python software survives
# minor updates, such as going from 3.3.2 to 3.3.3:
# Create a site-packages in HOMEBREW_PREFIX/lib/python#{xy}/site-packages
site_packages.mkpath
# Symlink the prefix site-packages into the cellar.
site_packages_cellar.unlink if site_packages_cellar.exist?
site_packages_cellar.parent.install_symlink site_packages
# Write our sitecustomize.py
rm_rf Dir["#{site_packages}/sitecustomize.py[co]"]
(site_packages/"sitecustomize.py").atomic_write(sitecustomize)
# Remove old setuptools installations that may still fly around and be
# listed in the easy_install.pth. This can break setuptools build with
# zipimport.ZipImportError: bad local file header
# setuptools-0.9.8-py3.3.egg
rm_rf Dir["#{site_packages}/setuptools*"]
rm_rf Dir["#{site_packages}/distribute*"]
rm_rf Dir["#{site_packages}/pip[-_.][0-9]*", "#{site_packages}/pip"]
%w[setuptools pip wheel].each do |pkg|
(libexec/pkg).cd do
system bin/"python3", "-s", "setup.py", "--no-user-cfg", "install",
"--force", "--verbose", "--install-scripts=#{bin}",
"--install-lib=#{site_packages}",
"--single-version-externally-managed",
"--record=installed.txt"
end
end
rm_rf [bin/"pip", bin/"easy_install"]
mv bin/"wheel", bin/"wheel3"
# Install unversioned symlinks in libexec/bin.
{
"easy_install" => "easy_install-#{xy}",
"pip" => "pip3",
"wheel" => "wheel3",
}.each do |unversioned_name, versioned_name|
(libexec/"bin").install_symlink (bin/versioned_name).realpath => unversioned_name
end
# post_install happens after link
%W[pip3 wheel3 pip#{xy} easy_install-#{xy}].each do |e|
(HOMEBREW_PREFIX/"bin").install_symlink bin/e
end
# Help distutils find brewed stuff when building extensions
include_dirs = [HOMEBREW_PREFIX/"include", Formula["openssl@1.1"].opt_include,
Formula["sqlite"].opt_include]
library_dirs = [HOMEBREW_PREFIX/"lib", Formula["openssl@1.1"].opt_lib,
Formula["sqlite"].opt_lib]
cfg = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/distutils/distutils.cfg"
cfg.atomic_write <<~EOS
[install]
prefix=#{HOMEBREW_PREFIX}
[build_ext]
include_dirs=#{include_dirs.join ":"}
library_dirs=#{library_dirs.join ":"}
EOS
end
def sitecustomize
xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
<<~EOS
# This file is created by Homebrew and is executed on each python startup.
# Don't print from here, or else python command line scripts may fail!
# <https://docs.brew.sh/Homebrew-and-Python>
import re
import os
import sys
if sys.version_info[0] != 3:
# This can only happen if the user has set the PYTHONPATH for 3.x and run Python 2.x or vice versa.
# Every Python looks at the PYTHONPATH variable and we can't fix it here in sitecustomize.py,
# because the PYTHONPATH is evaluated after the sitecustomize.py. Many modules (e.g. PyQt4) are
# built only for a specific version of Python and will fail with cryptic error messages.
# In the end this means: Don't set the PYTHONPATH permanently if you use different Python versions.
exit('Your PYTHONPATH points to a site-packages dir for Python 3.x but you are running Python ' +
str(sys.version_info[0]) + '.x!\\n PYTHONPATH is currently: "' + str(os.environ['PYTHONPATH']) + '"\\n' +
' You should `unset PYTHONPATH` to fix this.')
# Only do this for a brewed python:
if os.path.realpath(sys.executable).startswith('#{rack}'):
# Shuffle /Library site-packages to the end of sys.path
library_site = '/Library/Python/#{xy}/site-packages'
library_packages = [p for p in sys.path if p.startswith(library_site)]
sys.path = [p for p in sys.path if not p.startswith(library_site)]
# .pth files have already been processed so don't use addsitedir
sys.path.extend(library_packages)
# the Cellar site-packages is a symlink to the HOMEBREW_PREFIX
# site_packages; prefer the shorter paths
long_prefix = re.compile(r'#{rack}/[0-9\._abrc]+/Frameworks/Python\.framework/Versions/#{xy}/lib/python#{xy}/site-packages')
sys.path = [long_prefix.sub('#{HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"}', p) for p in sys.path]
# Set the sys.executable to use the opt_prefix. Only do this if PYTHONEXECUTABLE is not
# explicitly set and we are not in a virtualenv:
if 'PYTHONEXECUTABLE' not in os.environ and sys.prefix == sys.base_prefix:
sys.executable = '#{opt_bin}/python#{xy}'
EOS
end
def caveats
xy = if prefix.exist?
(prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
else
version.to_s.slice(/(3\.\d)/) || "3.9"
end
<<~EOS
Python has been installed as
#{HOMEBREW_PREFIX}/bin/python3
Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
#{opt_libexec}/bin
You can install Python packages with
pip3 install <package>
They will install into the site-package directory
#{HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"}
See: https://docs.brew.sh/Homebrew-and-Python
EOS
end
test do
xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
# Check if sqlite is ok, because we build with --enable-loadable-sqlite-extensions
# and it can occur that building sqlite silently fails if OSX's sqlite is used.
system "#{bin}/python#{xy}", "-c", "import sqlite3"
# Check if some other modules import. Then the linked libs are working.
system "#{bin}/python#{xy}", "-c", "import tkinter; root = tkinter.Tk()"
system "#{bin}/python#{xy}", "-c", "import _gdbm"
system "#{bin}/python#{xy}", "-c", "import zlib"
system bin/"pip3", "list", "--format=columns"
end
end